906779 has 2 divisors, whose sum is σ = 906780. Its totient is φ = 906778.

The previous prime is 906767. The next prime is 906793. The reversal of 906779 is 977609.

It is a weak prime.

It is an emirp because it is prime and its reverse (977609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 906779 - 2⁸ = 906523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (906749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453389 + 453390.

It is an arithmetic number, because the mean of its divisors is an integer number (453390).

2⁹⁰⁶⁷⁷⁹ is an apocalyptic number.

906779 is a deficient number, since it is larger than the sum of its proper divisors (1).

906779 is an equidigital number, since it uses as much as digits as its factorization.

906779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 906779 is about 952.2494421106. The cubic root of 906779 is about 96.7907417209.

The spelling of 906779 in words is "nine hundred six thousand, seven hundred seventy-nine".